Improved Spatial Resolution of Electroencephalogram Using Tripolar Concentric Ring Electrode Sensors

Table 2

Full factorial design of analysis of variance and obtained response variable.

Group averages for 10 levels of factor D (signal dipole location)	Categorical factors			Correlation between the simulated and the analytical surface Laplacians ()
	A: type of the electrode	B: number of electrodes	C: presence and type of noise
1	Conventional disc	19	No noise
2	TCRE	19	No noise
3	Conventional disc	32	No noise
4	TCRE	32	No noise
5	Conventional disc	64	No noise
6	TCRE	64	No noise
7	Conventional disc	128	No noise
8	TCRE	128	No noise
9	Conventional disc	19	WGN
10	TCRE	19	WGN
11	Conventional disc	32	WGN
12	TCRE	32	WGN
13	Conventional disc	64	WGN
14	TCRE	64	WGN
15	Conventional disc	128	WGN
16	TCRE	128	WGN
17	Conventional disc	19	Noise dipole
18	TCRE	19	Noise dipole
19	Conventional disc	32	Noise dipole
20	TCRE	32	Noise dipole
21	Conventional disc	64	Noise dipole
22	TCRE	64	Noise dipole
23	Conventional disc	128	Noise dipole
24	TCRE	128	Noise dipole
25	Conventional disc	19	WGN+dipole
26	TCRE	19	WGN+dipole
27	Conventional disc	32	WGN+dipole
28	TCRE	32	WGN+dipole
29	Conventional disc	64	WGN+dipole
30	TCRE	64	WGN+dipole
31	Conventional disc	128	WGN+dipole
32	TCRE	128	WGN+dipole